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27 
28 // MARKER(update_precomp.py): autogen include statement, do not remove
29 #include "precompiled_slideshow.hxx"
30 
31 #include <canvas/debug.hxx>
32 #include <basegfx/matrix/b2dhommatrix.hxx>
33 #include "barwipepolypolygon.hxx"
34 
35 
36 namespace slideshow {
37 namespace internal {
38 
39 ::basegfx::B2DPolyPolygon BarWipePolyPolygon::operator () ( double t )
40 {
41     ::basegfx::B2DPolyPolygon res;
42     ::basegfx::B2DHomMatrix aTransform;
43     aTransform.scale( ::basegfx::pruneScaleValue( t / m_nBars ), 1.0 );
44     for ( sal_Int32 i = m_nBars; i--; )
45     {
46         ::basegfx::B2DHomMatrix transform( aTransform );
47         transform.translate( static_cast<double>(i) / m_nBars, 0.0 );
48         ::basegfx::B2DPolygon poly( m_unitRect );
49         poly.transform( transform );
50         res.append( poly );
51     }
52     return res;
53 }
54 
55 }
56 }
57